Linux Systems Engineer: Azure, Docker & Kubernetes

Optomi; United States; On-site; USD 90,000 - 120,000; Full time

Job summary

Optomi, in partnership with a leading telecom client, is seeking a Linux Systems Administrator/Engineer to support a fully virtualized RHEL/Linux infrastructure hosted in Microsoft Azure. This hands-on role focuses on Linux administration, troubleshooting, patching, and ongoing maintenance across production and engineering environments.

The ideal candidate has strong Linux skills, Bash scripting, and the ability to resolve OS‑level issues.

Qualifications

• Extensive hands-on Linux (RHEL) administration experience.
• Proficient in Bash scripting and OS troubleshooting.
• Experience with patching, upgrades and package management.
• Familiar with LVM, XFS, and storage concepts.

Responsibilities

• Administer, maintain, and troubleshoot RHEL Linux VMs in production and engineering environments.
• Perform operating system patching, upgrades, and package management.
• Troubleshoot Linux system performance, processes, services, networking, storage, and resource utilization.
• Manage Linux services using systemd and troubleshoot service failures.
• Administer Linux storage using LVM, XFS, and logical volumes.
• Expand and manage storage capacity with virtual disks and filesystems.
• Configure and troubleshoot Linux networking, DNS, and system communications.
• Administer Linux authentication using LDAP/SSSD.
• Manage SSH configuration and security hardening.
• Support and troubleshoot Sendmail/SMTP services.
• Monitor Linux infrastructure using Nagios or equivalent tools.
• Support Docker and Kubernetes environments on Linux and Azure.
• Develop Bash scripts to automate tasks and maintain tooling (Jenkins, GitLab, Jira, Confluence).
• Investigate complex production issues and document procedures.

Skills

Linux administration

Bash scripting

Troubleshooting

Networking

Systemd

Tools

Docker

Kubernetes

Jenkins

GitLab

Gerrit

Nexus

Jira

Confluence

Nagios

Job description

Optomi, in partnership with a leading telecom client, is seeking a Linux Systems Administrator/Engineer to support a fully virtualized RHEL/Linux infrastructure hosted in Microsoft Azure. This hands-on role focuses on Linux administration, troubleshooting, patching, and ongoing maintenance across production and engineering environments.

The ideal candidate has strong Linux skills, Bash scripting, and the ability to resolve OS‑level issues.